Home / 405,524,988.54-559,635,488.10-229,339,330.56

Finding the Fourth Proportional to 405,524,988.54, 559,635,488.10 and 229,339,330.56

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Solution

The fourth proportional to 405,524,988.54, 559,635,488.10 and 229,339,330.56 is: 316,494,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,524,988.54 : 559,635,488.10 = 229,339,330.56 : x
  2. Step 2: Convert to fraction form
    405,524,988.54/559,635,488.10 = 229,339,330.56/x
  3. Step 3: Cross multiply
    405,524,988.54x = 559,635,488.10 × 229,339,330.56
  4. Step 4: Simplify right side
    405,524,988.54x = 128,346,428,198,472,848
  5. Step 5: Solve for x
    x = 128,346,428,198,472,848/405,524,988.54
  6. Step 6: Final answer
    x = 316,494,499.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.